Home / 652,145,958.14-899,965,335.83-354,790,328.40

Finding the Fourth Proportional to 652,145,958.14, 899,965,335.83 and 354,790,328.40

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Solution

The fourth proportional to 652,145,958.14, 899,965,335.83 and 354,790,328.40 is: 489,612,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,145,958.14 : 899,965,335.83 = 354,790,328.40 : x
  2. Step 2: Convert to fraction form
    652,145,958.14/899,965,335.83 = 354,790,328.40/x
  3. Step 3: Cross multiply
    652,145,958.14x = 899,965,335.83 × 354,790,328.40
  4. Step 4: Simplify right side
    652,145,958.14x = 319,298,997,045,968,000
  5. Step 5: Solve for x
    x = 319,298,997,045,968,000/652,145,958.14
  6. Step 6: Final answer
    x = 489,612,782.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.